.main{
	width:1000px;
	margin-left:auto;
	margin-right:auto;
	margin-top: 40px;
}
.nav_list{
	width:1000px;
	border-top-width: 1px;
	border-top-style: solid;
	border-top-color: #999;
}
.nav { 
	width:1000px;
	padding-left:20px;
	}
.nav a{
	padding-top:5px;
	padding-bottom:5px;
	padding-right:15px;
	padding-left:15px;
	border: 1px solid #999;
	position: relative;
    top: -4px;
    text-decoration:none;
}
.nav .cur{
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-top-style: solid;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-top-color: #999;
	border-right-color: #999;
	border-bottom-color: #FFF;
	border-left-color: #999;
	background-image: url(../images/gt.jpg);
}

.tb {
	margin-top: 5px;
	border-top-width: 1px;
	border-left-width: 1px;
	border-top-style: solid;
	border-left-style: solid;
	border-top-color: #e4e4e4;
	border-left-color: #e4e4e4;
	border-collapse: collapse; 
	empty-cells: hide; 
}
.tb td{
	height: 28px;
	line-height: 28px;
	padding-left: 5px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-right-style: solid;
	border-bottom-style: solid;
	border-right-color: #e4e4e4;
	border-bottom-color: #e4e4e4;
}
.tb .t1 {
	background-image: url(../images/tbtop.jpg);
	background-repeat: repeat-x;
	font-weight: bold;
	text-align:right;
}
.tb .t2{
	background-image: url(../images/tbtop.jpg);
	background-repeat: repeat-x;
	font-weight: bold;
}